When in Doubt for Florida, look them up on Sunbiz.org, search by Company name, then cross reference with owner name.You go deeper and check Civil Records for Lawsuits. 

I think initially it makes sense to find properties that already have finished basements, in-law suites, etc. as converting those spaces to ADUs will be inexpensive and create a significant amount of rental income ($2,000/month+ in most areas close to the city).

The reason you see a person’s name and all their entities listed in a lawsuit is because Plaintiff (the suing party) attorneys have to list everyone and every entity that can be remotely tied to a cause of action, otherwise, if enough time passes and through the legal process discover that a separate entity or just a person was truly liable and they didn’t name them in the lawsuit, they are out of luck.

This designation doesn’t cost extra or give the manager access to insurance payouts but ensures you and the property manager are aligned during incidents, such as tenant lawsuits or insurance claims.

What is the amount of the lawsuit - ie how much they seeking?

If a person owns a rental property in IN and if something happens on that property, the cause of action (lawsuit) would go before a court in IN, with an IN judge, citing IN law.

Long nasty lawsuit followed.

This means that you will probably need to pay registration and filing fees in at least 2 states if you don’t buy CA property as a CA resident.Any lawsuits should be limited to the assets of the LLC and not your personal assets (assuming you run the LLC appropriately and the corporate veil is not pierced, some debate as to SMLLC).

It's designed to protect assets in the event of lawsuits, negligence, etc. and it only applies when there is underlying insurance coverage. 

They have over 100 pending lawsuits against them and counting.